From: Miklos Szeredi <mszeredi@redhat.com>
Date: Fri, 28 Oct 2022 14:25:20 +0200
Subject: fuse: add file_modified() to fallocate
Git-commit: 4a6f278d4827b59ba26ceae0ff4529ee826aa258
Patch-mainline: v6.1-rc4
References: bsc#1205332

Add missing file_modified() call to fuse_file_fallocate().  Without this
fallocate on fuse failed to clear privileges.

Fixes: 05ba1f082300 ("fuse: add FALLOCATE operation")
Cc: <stable@vger.kernel.org>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Acked-by: Luis Henriques <lhenriques@suse.com>

---
 fs/fuse/file.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 1a3afd469e3a..71bfb663aac5 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -3001,6 +3001,10 @@ static long fuse_file_fallocate(struct file *file, int mode, loff_t offset,
 			goto out;
 	}
 
+	err = file_modified(file);
+	if (err)
+		goto out;
+
 	if (!(mode & FALLOC_FL_KEEP_SIZE))
 		set_bit(FUSE_I_SIZE_UNSTABLE, &fi->state);